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Displaying 1 - 20 of 20

Investigating How Weight-Loss Surgery Affects Mouth and Gut Bacteria in Children

Condition: Obesity
Investigator: Ilene Fennoy, MD
Status: Currently Recruiting
This study is being done to learn more about how weight-loss surgery or a medicine called glucagon-like peptide-1 receptor agonist (GLP-1RA) affects the bacteria in your mouth and stool. We are also trying to understand how these changes might be connected to your liver health and cholesterol levels. This information could help doctors take better care of…
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Vagus Nerve Stimulation: A New Treatment Study for Previously Treated Lyme Disease Patients with Persistent Symptoms

Condition: Infectious Disease / Lyme Disease
Investigator: Brian Fallon, MD
Status: Currently Recruiting
Are you suffering from persistent symptoms that began after you were diagnosed and treated with antibiotics for Lyme Disease? This new research study aims to test a new form of treatment for people with persistent symptoms despite antibiotic treatment for Lyme disease. This treatment involves stimulating a nerve on the surface of your ear. This is called…
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Ultra-Processed Food Effect on Weight Change

Condition: Obesity
Investigator: Kathryn Whyte, PhD, RDN
Status: Currently Recruiting
The purpose of this study is to assess energy balance during two different diet periods.
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Long-Acting Injectable Treatment for Patients Living with HIV

Condition: Infectious Disease / HIV
Investigator: Magdalena Sobieszczyk, MD
Status: Currently Recruiting
This trial is testing an experimental treatment for HIV that is called CAB + RPV LA (long-acting cabotegravir and rilpivirine). CAB + RPV LA is a combination of drugs that is used to treat HIV (called antiretroviral therapy ART). It is currently approved in the US for the treatment of people living with HIV who are taking ART and whose viral load is already…
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Weight Loss Study: Genetic Variations and Response to Naltrexone/Bupropion

Condition: Obesity
Investigator: Judith Korner, MD
Status: Currently Recruiting
The purpose of this study is to evaluate if genetic variations are associated with the amount of weight loss with diet and while taking an FDA-approved medication for weight loss. The participation lasts ten months and includes six in-person visits at CUIMC with blood sampling and questionnaires, virtual nutritional counseling, and taking an oral weight…
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Transcranial Direct Current Stimulation (tDCS): A New Treatment of Brain Fog in Previously Treated Lyme Disease Patients

Condition: Infectious Disease / Lyme Disease
Investigator: Brian Fallon, MD
Status: Currently Recruiting
Have you been treated for Lyme Disease but continue to have brain fog or other cognitive problems? This research study will assess a non-medication non-invasive intervention to improve cognitive functioning in people with persistent cognitive problems despite prior antibiotic treatment for Lyme Disease. Participants will complete this 4 week intervention at…
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Clinical Research Registry for Lyme and Other Tick-borne Diseases

Condition: Infectious Disease / Lyme Disease
Investigator: Brian Fallon, MD
Status: Currently Recruiting
This patient case registry for Lyme and other Tick-borne Diseases is a component of the Clinical Trials Network that was launched in 2021 by a grant from the Steven and Alexandra Cohen Foundation. The registry will gather general information such as demographics, medical history, and current functional status. This information will help researchers to…
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POWERS - Understanding Body Changes After Weight Loss

Condition: Obesity
Investigator: Rudolph Leibel, MD
Status: Currently Recruiting
The Physiology of the Weight Reduced State (POWERS) is a national research study designed to discover and learn what happens to the human body after weight loss and to learn why some people regain their lost weight. Understanding why this happens could help health professionals improve strategies for successful weight loss maintenance after weight loss.…
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Effect of lowering insulin levels on blood sugar

Condition: Obesity
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are conducting a research study on how insulin controls blood sugar in both healthy people and those at risk of type 2 diabetes. We are seeking adult volunteers, aged 18-65, who have body mass indices either in the lean range (18-25 kg/m2) or in the obesity range (30-45 kg/m2) but who do not have prediabetes or diabetes. Participants will undergo a…
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HIV Vaccine: HVTN 807

Condition: Infectious Disease / HIV
Investigator: Magdalena Sobieszczyk, MD
Status: Currently Recruiting
The HIV Vaccine Trials Network (HVTN), Division of AIDS (DAIDS), and Columbia University Irving Medical Center (CUIMC) are conducting a trial to learn about the safety and effectiveness of a new experimental HIV vaccine. The goal is to understand if the study products are safe to use in people living with HIV, and whether they can get the study products…
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PrEP for Her (HPTN 102/Purpose 3)

Condition: Infectious Disease / HIV
Investigator: Yael Hirsch-Moverman, PhD
Status: Currently Recruiting
HPTN 102/ PURPOSE 3 is a clinical study being done with cisgender women in the US to see whether an investigational twice-a-year (every 6 months) injection medicine can help reduce the risk of getting HIV from sex. The safety and efficacy of the medicine, which is called lenacapavir (LEN), is being studied for the prevention of HIV as pre-exposure…
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Liver Transplant from Donors with HIV for Recipients with HIV: Long Term Follow-up Study (HOPE)

Condition: Infectious Disease / HIV
Investigator: Marcus Pereira, MD, MPH
Status: Currently Recruiting
The primary objective is to evaluate long-term outcomes in transplant recipients with HIV who receive livers from donors with HIV compared to donors without HIV. If you have any questions regarding this study, please contact the Transplant Clinical Research Center (TCRC).
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HOPE Heart Study

Condition: Infectious Disease / HIV
Investigator: Marcus Pereira, MD, MPH
Status: Currently Recruiting
The primary objective is to determine whether using hearts from HIV+ donors for HIV+ recipients is safe with regard to major transplant-related and HIV-related complications. The primary outcome is patient survival at one year. If you have any questions regarding this study, please contact the Transplant Clinical Research Center (TCRC).
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Temporary Insulin Resistance

Condition: Obesity
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are recruiting volunteers, aged 18-70, for a research study on the buildup of excessive liver fat ("fatty liver disease") in people with or at risk for type 2 diabetes because their bodies are resistant to the actions of the blood sugar-lowering hormone, insulin. To do this, we seek to temporarily induce or accentuate insulin resistance in 14…
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Biobank of Blood Samples from Overweight or Obese Patients

Condition: Obesity
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are seeking adult volunteers with body mass index in the obesity range (30-45 kg/m2) to come in for a single study visit where they answer some health questions and have a small volume of blood drawn (25 cc/1.7 tbsp). We will measure levels of the blood sugar-lowering hormone insulin as well as glucose (sugar), certain fats, and other molecules related…
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HIV and STI Prevention Study

Condition: Infectious Disease
Investigator: Yael Hirsch-Moverman, PhD
Status: Currently Recruiting
ICAP/Harlem Prevention Center has been working to develop medications and strategies to help prevent HIV and other STIs since 2009. We are always looking for volunteers to participate in this research. Currently, we are looking for sexually-active individuals 18 years or older who are interested in learning more about our HIV and STI prevention research…
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Lowering Insulin Levels in Fatty Liver Disease

Condition: Obesity
Investigator: Joshua Cook, MD, PhD
Status: Currently Recruiting
We are conducting a research study on the effect of high insulin levels on the buildup of excessive liver fat ("fatty liver disease") in people at risk for type 2 diabetes. We are seeking adult volunteers, aged 18-70, who are overweight or obese with a body mass index of 27-50, and have been diagnosed with, or are at risk for, prediabetes.…
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WiseApp for Spanish-Speaking People Living With HIV (PLWH)

Condition: Infectious Disease / HIV
Investigator: Rebecca Schnall, PhD, RN
Status: Currently Recruiting
****The WiseApp in Spanish Study is looking for Spanish-speaking People Living with HIV Residing in the NYC Area**** Are you living with HIV? Are you 18 years or older? Are you a Spanish speaker? Do you own a smartphone? Are you interested in learning more about your health? We are conducting a study at Columbia University School of Nursing to learn more…
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Stick2PrEP: Women/Trans/Non-Binary Individuals

Condition: Infectious Disease / HIV
Investigator: Magdalena Sobieszczyk, MD
Status: Currently Recruiting
Do you identify as a woman or transgender person, or do you have a non-binary gender identity? Has a medical provider ever diagnosed you with a sexually transmitted infection or recommended PrEP/another HIV prevention method? We are conducting a study to understand attitudes and preferences regarding HIV prevention methods among people who do not have HIV.…
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HIV Prevention Study

Condition: Infectious Disease / HIV
Investigator: Magdalena Sobieszczyk, MD
Status: Currently Recruiting
We are looking for individuals 18 to 60 years old who are interested in learning more about HIV prevention and biomedical research studies. We will ask you to complete a brief questionnaire to find out if we can schedule you for a one-on-one, 1.5-hour education visit to learn about the research we do. The education visit will help you decide if you want to…
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